48949965165601 has 2 divisors, whose sum is σ = 48949965165602. Its totient is φ = 48949965165600.

The previous prime is 48949965165593. The next prime is 48949965165631. The reversal of 48949965165601 is 10656156994984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40024665515025 + 8925299650576 = 6326505^2 + 2987524^2 .

It is a cyclic number.

It is not a de Polignac number, because 48949965165601 - 2³ = 48949965165593 is a prime.

It is not a weakly prime, because it can be changed into another prime (48949965165631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24474982582800 + 24474982582801.

It is an arithmetic number, because the mean of its divisors is an integer number (24474982582801).

Almost surely, 2^{48949965165601} is an apocalyptic number.

It is an amenable number.

48949965165601 is a deficient number, since it is larger than the sum of its proper divisors (1).

48949965165601 is an equidigital number, since it uses as much as digits as its factorization.

48949965165601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 503884800, while the sum is 73.

The spelling of 48949965165601 in words is "forty-eight trillion, nine hundred forty-nine billion, nine hundred sixty-five million, one hundred sixty-five thousand, six hundred one".